Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Analyse code when running tox"
  - Analyse code when running tox

    It filters all messages to ease reading the report.

    Change-Id: Iab55bc71cb6026edde29fb9f084a07b2dedf564f
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 7c90220..e47af47 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 7c902200886f72f8a5868d1e40c9b34f9160d6ce
+Subproject commit e47af47ac514d41e4b86085a2ba7b6d664b1cdd5